X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?p=svrt.git;a=blobdiff_plain;f=vision_problem_7.cc;fp=vision_problem_7.cc;h=0b006bf18510df8d960f6d44f4da015d85b0d44e;hp=0000000000000000000000000000000000000000;hb=dfc7d0cd9b185a982b9f83d6d862824a62000aea;hpb=471b18a7f4e9cbdfb510f304260ec5e6baeee697

diff --git a/vision_problem_7.cc b/vision_problem_7.cc
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+/*
+ *  svrt is the ``Synthetic Visual Reasoning Test'', an image
+ *  generator for evaluating classification performance of machine
+ *  learning systems, humans and primates.
+ *
+ *  Copyright (c) 2009 Idiap Research Institute, http://www.idiap.ch/
+ *  Written by Francois Fleuret <francois.fleuret@idiap.ch>
+ *
+ *  This file is part of svrt.
+ *
+ *  svrt is free software: you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 3 as
+ *  published by the Free Software Foundation.
+ *
+ *  svrt is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with selector.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "vision_problem_7.h"
+#include "shape.h"
+
+VisionProblem_7::VisionProblem_7() { }
+
+void VisionProblem_7::generate(int label, Vignette *vignette) {
+  int nb_shapes;
+
+  nb_shapes = 6;
+
+  vignette->clear();
+  Shape shape;
+
+  for(int s = 0; s < nb_shapes; s++) {
+    if((label == 0 && s%2 == 0) || (label == 1 && s%3 == 0)) {
+      shape.randomize(part_size, part_hole_size);
+    }
+
+    int xs, ys;
+    do {
+      xs = int(drand48() * Vignette::width);
+      ys = int(drand48() * Vignette::height);
+    } while(shape.overwrites(vignette, xs, ys));
+    shape.draw(vignette, xs, ys);
+  }
+}